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今年3月22日是第19个世界水日。今年世界水日的主题是“城市水管理”。科学用水、节约用水是我们每个人都应该树立的一种精神和意识,看看这些节水科普知识题,你都知道多少?赶快来做一下吧!
March 22 this year is the 19th World Water Day. The theme of this year’s World Water Day is “Urban Water Management ”. Scientific water, water conservation is a kind of spirit and consciousness that every one of us should establish. Take a look at these water-saving science knowledge questions, how many do you know?